<https://mapcollections.brooklynhistory.org/#website>
<http://schema.org/description>
"Historical maps in BHS’s collection span the years 1562 to 2012 and depict the five boroughs, New York City, Long Island, New York State, New Jersey, New England, the mid-Atlantic, the eastern United States, and beyond."
<https://mapcollections.brooklynhistory.org/collection/?place=brooklyn-heights-new-york-n-ydyker-heights-new-york-n-yprospect-heights-new-york-n-ywindsor-terrace-new-york-n-ybrooklyn-new-york-n-ysunset-park-new-york-n-y&subject=election-districts&century=20th-century>